Shaft and axle bearing.



' bends.

I nuousrcn mgnone ms mm, or me,

' sum Ann BEARING,

Specificatiouioi? Letters Patent. 2 Patented NOV. 11,1919.

App1ication filed June 25, 1915; Serial No. 36,288. Renewed'septemb'er 29,1919. Serial No. 327,157..

To all whom it may concemf' Be itknown'that we, Apeusr CAnLBoRe and GU'NNAR NY'MAN, a Sl1b180t of the King of Sweden and a subject of'the Emperorof Russia, respectively, both residing at T'yko,

they maintain even contact with the said surface when the shaft oscillates orrooks. The object ofthe invention is to provide improved means for rendering bearings :of"

this class dust-tight in all positions ofthe shaft. To this end we use packing rings, which close the space contanung the balls and bear against a spherical surface with" which they maintain close contact when the shaft oscillates or rocks. 'The surface against which the rings bear may be a p0rtion'of the spherical surface upon WhlCll the the bearing, which may be lnone piece or' in two pieces, and is internally screw-threaded for engagement with two externally screw threaded rings 5, which form the shell of the ball bearing-.. These shell members can be axially ad usted in relation to each other by turning them in the eye a. The inner surfaces of the shell members are turned to form complementary segments of a sphere, within which lies the spherlcal journal member 03. The latter has a bore for the shaft, and also has two or more chan nels or races e for balls e which protrude from the channels and support the journal and shaft in the shell. The depth of the channels exceeds the radius of the balls, and their rims converge, .so that they embrace and retain the balls. Thesphericity of the shell enables the balls to remain in even contact with the same when the shaft rocks or To enable the balls to be inserted.

into the channels 6 the member (Z has a-removable part or slide 0, enablingan aperture to be uncovered, throu h which the balls can be dropped into the c nnels. I

The journal membend', being spherlcal, allows the shaft to rock oscillate or bend without increase one-tea in the bearing, and two flBXIblB rings m of felt, ,leather or other sultable material, are gfitted into the shell, making contact with the journal mem her and evenly maintainingithis contact in all positlons of the shaft, -Theseringsm. form efl ectlve dust-guards for-thefinterior of the bearing. The shell pieces be made fast in the eye a by means-1o screws. serves'to fix this member tothe shaft. The eye a has a hole [through which a cotter can be inserted into a hole in the member d in order to temporarily prevent rotation of A set screw k in the mem-bend the latter, if required for an purpose. a This hole can also used for In rication. What we claim as our invention and de-= sire to secure by Letters Patent of the United States is "l. Ina ball bearing the combination of an outer me'mberand an innermember which are capable ofassumin variable relative angular'positions of thelr axes to one another about a center of oscillation, and one of which is rotatable with respect to the other; one of said members having an uninterrupted surface in thepform of a portion of a sphere .whosecenter is the'saidcenter of oscillation, and the other (member com-.

prising a recessed track for the receptioifof balls; a plurality of balls in said track,and

packing rings having circumferential sur-"- faces in contact with said last mentioned member one on eachside of the" recessed track; the contacting surfaces ofsaid packing rings iyin in a sphere concentric with the spherical surface aforesaid, and the circle tangent exteriorly to said balls lying in a sphere concentric and co-radial' with said spherical surface.

2. In a ball bearing the combination of a fixed shell member havin a spherical inner surface, a journal mem er in said shell having a spherical outer surface, spaced apart from said shell, packing rings projecting from oneof said members and making contact with the s hericalsurface of the. other member, and alls between said rings.

3.3.11 a ball bearing the combination of an internally screw threaded eye, two bear-lv ing members, one within the other, the outer. bearing member consisting of two complementary parts screwed into said eye, and one of said bearing members a spherical surface, balls between said bearing members, and packing rings closing the space containing said balls, bearing against the member having the spherical surface and fixed to the other bearing member.

4.1n a ball bearing, the combination,

with an outer member having a spherical inner surface, an inner member within the outer member having a spherical outer surface, and a set of balls between said members; of a pair of packing rings, one on each side of the balls, fixed to one of said members and having circumferential surfaces which contact directly with the spherical surface of the other member and conform to the sphericity of such surface. I

In Witness whereof We have signed this 15 specification in the presence of two Wit- 

